{"id":689730,"date":"2025-09-12T19:55:11","date_gmt":"2025-09-12T16:55:11","guid":{"rendered":"https:\/\/buradabiliyorum.com\/en\/fluorescent-zoom-lens-exposes-hidden-protein-changes-for-earlier-disease-detection\/"},"modified":"2025-09-12T19:55:11","modified_gmt":"2025-09-12T16:55:11","slug":"fluorescent-zoom-lens-exposes-hidden-protein-changes-for-earlier-disease-detection","status":"publish","type":"post","link":"https:\/\/buradabiliyorum.com\/en\/fluorescent-zoom-lens-exposes-hidden-protein-changes-for-earlier-disease-detection\/","title":{"rendered":"Fluorescent &#8216;zoom lens&#8217; exposes hidden protein changes for earlier disease detection"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a368d9566fd5\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #dd3333;color:#dd3333\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #dd3333;color:#dd3333\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a368d9566fd5\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/buradabiliyorum.com\/en\/fluorescent-zoom-lens-exposes-hidden-protein-changes-for-earlier-disease-detection\/#Precision_lighting_of_protein_subdomains\" >Precision lighting of protein subdomains<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/buradabiliyorum.com\/en\/fluorescent-zoom-lens-exposes-hidden-protein-changes-for-earlier-disease-detection\/#Uneven_aggregation_revealed_in_living_cells\" >Uneven aggregation revealed in living cells<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/buradabiliyorum.com\/en\/fluorescent-zoom-lens-exposes-hidden-protein-changes-for-earlier-disease-detection\/#Real-time_monitoring_of_drug_efficacy_in_protein_aggregation_diseases\" >Real-time monitoring of drug efficacy in protein aggregation diseases<\/a><\/li><\/ul><\/nav><\/div>\n<div>\n<div class=\"article-gallery lightGallery\">\n<div data-thumb=\"https:\/\/scx1.b-cdn.net\/csz\/news\/tmb\/2025\/scientists-develop-mol-1.jpg\" data-src=\"https:\/\/scx2.b-cdn.net\/gfx\/news\/2025\/scientists-develop-mol-1.jpg\" data-sub-html=\"Credit: &lt;i&gt;Nature Chemical Biology&lt;\/i&gt; (2025). DOI: 10.1038\/s41589-025-02003-1\">\n<figure class=\"article-img\">\n            <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/scx1.b-cdn.net\/csz\/news\/800a\/2025\/scientists-develop-mol-1.jpg\" alt=\"Scientists develop 'molecular magnifying glass' to help identify diseases earlier\" title=\"Credit: Nature Chemical Biology (2025). DOI: 10.1038\/s41589-025-02003-1\" width=\"800\" height=\"445\"\/><figcaption class=\"text-darken text-low-up text-truncate-js text-truncate mt-3\">\n                Credit: <i>Nature Chemical Biology<\/i> (2025). DOI: 10.1038\/s41589-025-02003-1<br \/>\n            <\/figcaption><\/figure>\n<\/p><\/div>\n<\/div>\n<p>A novel strategy developed at Rice University allows scientists to zoom in on tiny segments of proteins inside living cells, revealing localized environmental changes that could indicate the earliest stages of diseases such as Alzheimer&#8217;s, Parkinson&#8217;s and cancer. The <a rel=\"nofollow\" target=\"_blank\" href=\"https:\/\/www.nature.com\/articles\/s41589-025-02003-1\" target=\"_blank\">study<\/a>, published in <i>Nature Chemical Biology<\/i> on Sept. 10, also shows promise for drug screening that targets protein aggregation diseases.<\/p>\n<p>The research team engineered a fluorescent probe, known as AnapTh, into precise subdomains of proteins, creating a tool that monitors microenvironmental shifts in real time. Unlike conventional techniques that provide only broad signals, this <a href=\"https:\/\/buradabiliyorum.com\/en\/category\/download-scripts-themes-apps\/\" data-internallinksmanager029f6b8e52c=\"9\" title=\"Download Scripts &amp; Themes &amp; Apps\" target=\"_blank\" rel=\"noopener\">app<\/a>roach reveals how distinct regions of the same protein behave differently during the aggregation process.<\/p>\n<p>The discovery led by Han Xiao, professor of chemistry and director of Rice&#8217;s SynthX Center, enhances the basic understanding of disease mechanisms and lays the groundwork for identifying drug targets and screening potential therapeutics at an earlier stage. Co-authors of the study include Rice scientists Shikai Jin, Yuda Chen, Yiming Guo, Yu Hu and Peter Wolynes.<\/p>\n<p>&#8220;We essentially built a molecular magnifying glass,&#8221; Xiao said. &#8220;This allows us to visualize subtle environmental changes that previously went unnoticed, and those early changes often hold the key to understanding protein-related diseases.&#8221;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Precision_lighting_of_protein_subdomains\"><\/span>Precision lighting of protein subdomains<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>To explore how individual protein segments behave during aggregation, the researchers hypothesized that local environmental changes precede visible clumping. Based on that hypothesis, they designed AnapTh, a small fluorescent amino acid whose emission spectrum shifts based on its microenvironment. Using genetic code expansion, the team inserted this probe at specific sites without altering protein folding or function.<\/p>\n<p>By tracking changes in fluorescence within living cells, the research team monitored the real-time responses of targeted subdomains. This technique provided a level of spatial resolution and temporal monitoring unmatched by existing tools.<\/p>\n<p>&#8220;We wanted a method to light up just one spot in a protein and watch what happens around it in live cells,&#8221; said Mengxi Zhang, a graduate student and co-first author of the study. &#8220;When aggregation starts, some parts become denser and more hydrophobic, while others remain unchanged. Our tool detects those distinctions nearly instantly.&#8221;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Uneven_aggregation_revealed_in_living_cells\"><\/span>Uneven aggregation revealed in living cells<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>When applying their technique to disease-related proteins, the researchers discovered that aggregation is far from uniform. Specific subdomains exhibited increased fluorescence intensity and spectral shifts, indicating heightened crowding and altered chemical surroundings, while other regions remained stable. These findings suggest that aggregation initiates at discrete &#8220;hot spots&#8221; before spreading.<\/p>\n<p>This uneven process challenges traditional models that view protein aggregation as a homogeneous phenomenon. Instead, it highlights a more nuanced progression, where early localized misfolding events could serve as biomarkers or therapeutic entry points\u2014results that provide a new perspective for studying protein aggregation at the molecular level.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Real-time_monitoring_of_drug_efficacy_in_protein_aggregation_diseases\"><\/span>Real-time monitoring of drug efficacy in protein aggregation diseases<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The ability to detect early subdomain-specific changes opens opportunities to monitor neurodegenerative and protein misfolding disease progression more sensitively and to identify small molecules that intervene before aggregation spreads. The implications span from molecular biology to pharmaceutical innovation.<\/p>\n<p>&#8220;This platform gives us a jump start,&#8221; said Shudan Yang, a graduate student and co-first author of the study. &#8220;Now we can test potential inhibitors and see at the very first sign of trouble whether they prevent local misfolding. That kind of precision screening is what drug discovery needs.&#8221;<\/p>\n<div class=\"article-main__more p-4\">\n<p><strong>More information:<\/strong><br \/>\n\t\t\t\t\t\t\t\t\t\t\t\tShudan Yang et al, Real-time imaging of protein microenvironment changes in cells with rotor-based fluorescent amino acids, <i>Nature Chemical Biology<\/i> (2025). <a rel=\"nofollow\" target=\"_blank\" data-doi=\"1\" href=\"https:\/\/dx.doi.org\/10.1038\/s41589-025-02003-1\" target=\"_blank\">DOI: 10.1038\/s41589-025-02003-1<\/a><\/p>\n<\/p><\/div>\n<div class=\"d-inline-block text-medium mt-4\">\n<p>\n\t\t\t\t\t\t\t\t\t\t\t\t\tProvided by<br \/>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tRice University<br \/>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" target=\"_blank\" class=\"icon_open\" href=\"http:\/\/www.rice.edu\/\" target=\"_blank\" rel=\"nofollow\"><br \/>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<svg>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<use href=\"https:\/\/phys.b-cdn.net\/tmpl\/v6\/img\/svg\/sprite.svg#icon_open\" x=\"0\" y=\"0\"\/>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/svg><br \/>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/p>\n<\/p><\/div>\n<p>\t\t\t\t\t\t\t\t\t\t<!-- print only --><\/p>\n<div class=\"d-none d-print-block\">\n<p>\n\t\t\t\t\t\t\t\t\t\t\t\t<strong>Citation<\/strong>:<br \/>\n\t\t\t\t\t\t\t\t\t\t\t\tFluorescent &#8216;zoom lens&#8217; exposes hidden protein changes for earlier disease detection (2025, September 12)<br \/>\n\t\t\t\t\t\t\t\t\t\t\t\tretrieved 12 September 2025<br \/>\n\t\t\t\t\t\t\t\t\t\t\t\tfrom https:\/\/phys.org\/<a href=\"https:\/\/buradabiliyorum.com\/en\/category\/news\/\" data-internallinksmanager029f6b8e52c=\"2\" title=\"News\" target=\"_blank\" rel=\"noopener\">news<\/a>\/2025-09-fluorescent-lens-exposes-hidden-protein.html\n\t\t\t\t\t\t\t\t\t\t\t <\/p>\n<p>\n\t\t\t\t\t\t\t\t\t\t\t This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no<br \/>\n\t\t\t\t\t\t\t\t\t\t\t part may be reproduced without the written permission. The content is provided for information purposes only.\n\t\t\t\t\t\t\t\t\t\t\t <\/p>\n<\/p><\/div>\n<\/p><\/div>\n<p><script id=\"facebook-jssdk\" async=\"\" src=\"https:\/\/connect.facebook.net\/en_US\/sdk.js\"><\/script><\/p>\n<blockquote><p><strong><span style=\"color: #ff6600;\">If you liked the article, do not forget to share it with your friends. Follow us on\u00a0<span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/news.google.com\/publications\/CAAqBwgKMN63nwsw68G3Aw\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Google News<\/a><\/span>\u00a0too, click on the star and choose us from your favorites.<\/span><\/strong><\/p><\/blockquote>\n<blockquote>\n<p style=\"text-align: center;\"><strong>If you want to read more Like this articles, you can visit our <span style=\"color: #ff9900;\"><a style=\"color: #ff9900;\" href=\"https:\/\/buradabiliyorum.com\/en\/category\/sciencee\/\" target=\"_blank\" >Science category.<\/a><\/span><\/strong><\/p>\n<\/blockquote>\n<p><span style=\"color: black;\"><a style=\"color: #ff9900;\" href=\"https:\/\/phys.org\/news\/2025-09-fluorescent-lens-exposes-hidden-protein.html\" target=\"_blank\" >Source<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Credit: Nature Chemical Biology (2025). DOI: 10.1038\/s41589-025-02003-1 A novel strategy developed at Rice University allows scientists to zoom in on tiny segments of proteins inside living cells, revealing localized environmental changes that could indicate the earliest stages of diseases such as Alzheimer&#8217;s, Parkinson&#8217;s and cancer. The study, published in Nature Chemical Biology on Sept. 10,&#8230;<\/p>\n","protected":false},"author":1,"featured_media":689731,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/scx2.b-cdn.net\/gfx\/news\/2025\/scientists-develop-mol-1.jpg","fifu_image_alt":"","footnotes":""},"categories":[16],"tags":[],"class_list":["post-689730","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sciencee"],"_links":{"self":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/689730","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/comments?post=689730"}],"version-history":[{"count":0,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/689730\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media\/689731"}],"wp:attachment":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media?parent=689730"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/categories?post=689730"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/tags?post=689730"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}